<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small">添加权限</el-button>
        </div>
        <el-table border :data="list" row-key="id">
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template #default="{row}">
              <el-button v-if="row.type===1" type="text" @click="hAdd(2,row.id)">添加</el-button>
              <el-button type="text" @click="hEdit(row.id)">编辑</el-button>
              <el-button type="text" @click="hDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
    </div>

    <!-- 做添加的弹层 -->
    <el-dialog :visible="showDialog" title="弹层标题" @close="showDialog = false">
      <el-form label-width="100px">
        <el-form-item label="权限名称">
          <el-input v-model="formData.name" />
        </el-form-item>
        <el-form-item label="权限标识">
          <el-input v-model="formData.code" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" />
        </el-form-item>
        <el-form-item label="权限启用">
          <el-switch
            v-model="formData.enVisible"
            active-text="启用"
            active-value="1"
            inactive-text="不启用"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>
      <template #footer>
        <div style="text-align: right;">
          <el-button @click="closeDialog">取消</el-button>
          <el-button type="primary" @click="hSubmit">确定</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { getPermissionList, addPermission, updatePermission, delPermission, getPermissionDetail } from '@/api/permission.js'
import { arryToTree } from '@/utils'
export default {
  name: 'Permission',
  data() {
    return {
      list: [],
      showDialog: false,
      isEdit: false,
      formData: {
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        name: '', // 名称
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    }
  },
  mounted() {
    this.loadPermissionList()
  },
  methods: {
    async hEdit(id) {
      this.isEdit = true
      const data = await getPermissionDetail(id)
      this.formData = data
      this.showDialog = true
    },
    hAdd(type, id) {
      this.isEdit = false
      this.showDialog = true
      // 记录当前添加的关键信息
      this.formData.type = type
      this.formData.pid = id
    },
    async hDel(id) {
      this.$confirm('确定要删除该权限吗?', '温馨提示').then(async() => {
        // 1. 实现删除
        await delPermission(id)
        // 2. 重新加载数据
        this.loadPermissionList()
        // 3. 提示
        this.$message.success('删除成功')
      }).catch(() => {
        console.log('取消')
      })
    },
    closeDialog() {
      this.showDialog = false
      this.formData = {
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        name: '', // 名称
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    },
    async hSubmit() {
      if (this.isEdit) {
        await updatePermission(this.formData)
      } else {
        await addPermission(this.formData)
      }
      this.$message.success('操作成功')
      this.loadPermissionList()
      this.closeDialog()
    },
    async loadPermissionList() {
      const res = await getPermissionList()
      // console.log('从后端获取的数据的是', res)
      console.log('从后端获取的数据的是', arryToTree(res))
      this.list = res
    }
  }
}
</script>
